Beispiel #1
0
func (c *Client) Response(msg *protocol.DataPackage) error {
	head := msg.Head
	tail := msg.Tail

	if (head.Command == protocol.CLIENT_CMD_USER_LOGIN || head.Command == protocol.CLIENT_CMD_USER_REGISTER) && tail.UID != 0 {
		c.Uid = tail.UID
		c.Stat = CLIENT_STATE_ONLINE
	}

	buf := protocol.GetBuffer()
	defer protocol.PutBuffer(buf)
	binary.Write(buf, binary.BigEndian, head)
	binary.Write(buf, binary.BigEndian, msg.BodyData())

	// write to Conn
	c.Conn.SetDeadline(time.Now().Add(NET_WRITE_DATELINE))
	if _, err := c.Conn.Write(buf.Bytes()); err != nil {
		if e, ok := err.(net.Error); ok && e.Timeout() {
			syslog.Info("write timeouat:", err, *c)
			return nil
		}
		syslog.Warn("write to conn fail :", err.Error(), msg.Tail)
		return errors.As(err)
	} else {
		syslog.Debug2("write to conn success:", head, string(msg.BodyData()), msg.Tail)
	}
	return nil
}
Beispiel #2
0
func (h *DBHandler) HandleMessage(message *nsq.Message) error {
	var resp []byte
	var err error
	defer func() {
		if err != nil {
			syslog.Warn(err)
		}
	}()
	dataPackage := protocol.GetDataPackage()
	defer protocol.PutDataPackage(dataPackage)

	if err := dataPackage.Unpackage(message.Body); err != nil {
		return nil
	}
	head := &dataPackage.Head
	jsonStr := dataPackage.BodyData()
	tail := &dataPackage.Tail

	syslog.Debug(*head, string(jsonStr), *tail)

	switch head.Command {
	case protocol.CLIENT_CMD_USER_REGISTER:
		resp = h.Register(head, jsonStr, tail)
	case protocol.CLIENT_CMD_USER_LOGIN:
		resp = h.Login(head, jsonStr, tail)
	default:
		syslog.Debug("invalid cmd:", head.Command, *tail)
		return nil
	}

	respBuf := protocol.GetBuffer()
	defer protocol.PutBuffer(respBuf)
	head.PkgLen = uint16(protocol.DATA_PACKAGE_HEAD_SIZE + len(resp))
	binary.Write(respBuf, binary.BigEndian, head)
	binary.Write(respBuf, binary.BigEndian, resp)
	binary.Write(respBuf, binary.BigEndian, tail)
	topic := fmt.Sprintf("conn_%s_%d", util.IPToStr(tail.IP), tail.Port)
	common.NsqPublish(topic, respBuf.Bytes())
	syslog.Debug2("db_server --> conn_server publish:", topic, head, string(resp), tail)
	return nil
}